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Diffstat (limited to '1.2-netsec/apps/app_directory.c')
| -rw-r--r-- | 1.2-netsec/apps/app_directory.c | 516 |
1 files changed, 516 insertions, 0 deletions
diff --git a/1.2-netsec/apps/app_directory.c b/1.2-netsec/apps/app_directory.c new file mode 100644 index 000000000..dc1181b6d --- /dev/null +++ b/1.2-netsec/apps/app_directory.c @@ -0,0 +1,516 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 1999 - 2005, Digium, Inc. + * + * Mark Spencer <markster@digium.com> + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*! \file + * + * \brief Provide a directory of extensions + * + * \ingroup applications + */ + +#include <string.h> +#include <ctype.h> +#include <stdlib.h> +#include <stdio.h> + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include "asterisk/lock.h" +#include "asterisk/file.h" +#include "asterisk/logger.h" +#include "asterisk/channel.h" +#include "asterisk/pbx.h" +#include "asterisk/module.h" +#include "asterisk/config.h" +#include "asterisk/say.h" +#include "asterisk/utils.h" + +static char *tdesc = "Extension Directory"; +static char *app = "Directory"; + +static char *synopsis = "Provide directory of voicemail extensions"; +static char *descrip = +" Directory(vm-context[|dial-context[|options]]): This application will present\n" +"the calling channel with a directory of extensions from which they can search\n" +"by name. The list of names and corresponding extensions is retrieved from the\n" +"voicemail configuration file, voicemail.conf.\n" +" This applicaiton will immediate exit if one of the following DTMF digits are\n" +"received and the extension to jump to exists:\n" +" 0 - Jump to the 'o' extension, if it exists.\n" +" * - Jump to the 'a' extension, if it exists.\n\n" +" Parameters:\n" +" vm-context - This is the context within voicemail.conf to use for the\n" +" Directory.\n" +" dial-context - This is the dialplan context to use when looking for an\n" +" extension that the user has selected, or when jumping to the\n" +" 'o' or 'a' extension.\n\n" +" Options:\n" +" f - Allow the caller to enter the first name of a user in the directory\n" +" instead of using the last name.\n"; + +/* For simplicity, I'm keeping the format compatible with the voicemail config, + but i'm open to suggestions for isolating it */ + +#define VOICEMAIL_CONFIG "voicemail.conf" + +/* How many digits to read in */ +#define NUMDIGITS 3 + +STANDARD_LOCAL_USER; + +LOCAL_USER_DECL; + +static char *convert(char *lastname) +{ + char *tmp; + int lcount = 0; + tmp = malloc(NUMDIGITS + 1); + if (tmp) { + while((*lastname > 32) && lcount < NUMDIGITS) { + switch(toupper(*lastname)) { + case '1': + tmp[lcount++] = '1'; + break; + case '2': + case 'A': + case 'B': + case 'C': + tmp[lcount++] = '2'; + break; + case '3': + case 'D': + case 'E': + case 'F': + tmp[lcount++] = '3'; + break; + case '4': + case 'G': + case 'H': + case 'I': + tmp[lcount++] = '4'; + break; + case '5': + case 'J': + case 'K': + case 'L': + tmp[lcount++] = '5'; + break; + case '6': + case 'M': + case 'N': + case 'O': + tmp[lcount++] = '6'; + break; + case '7': + case 'P': + case 'Q': + case 'R': + case 'S': + tmp[lcount++] = '7'; + break; + case '8': + case 'T': + case 'U': + case 'V': + tmp[lcount++] = '8'; + break; + case '9': + case 'W': + case 'X': + case 'Y': + case 'Z': + tmp[lcount++] = '9'; + break; + } + lastname++; + } + tmp[lcount] = '\0'; + } + return tmp; +} + +/* play name of mailbox owner. + * returns: -1 for bad or missing extension + * '1' for selected entry from directory + * '*' for skipped entry from directory + */ +static int play_mailbox_owner(struct ast_channel *chan, char *context, char *dialcontext, char *ext, char *name) { + int res = 0; + int loop = 3; + char fn[256]; + char fn2[256]; + + /* Check for the VoiceMail2 greeting first */ + snprintf(fn, sizeof(fn), "%s/voicemail/%s/%s/greet", + (char *)ast_config_AST_SPOOL_DIR, context, ext); + + /* Otherwise, check for an old-style Voicemail greeting */ + snprintf(fn2, sizeof(fn2), "%s/vm/%s/greet", + (char *)ast_config_AST_SPOOL_DIR, ext); + + if (ast_fileexists(fn, NULL, chan->language) > 0) { + res = ast_streamfile(chan, fn, chan->language); + if (!res) { + res = ast_waitstream(chan, AST_DIGIT_ANY); + } + ast_stopstream(chan); + } else if (ast_fileexists(fn2, NULL, chan->language) > 0) { + res = ast_streamfile(chan, fn2, chan->language); + if (!res) { + res = ast_waitstream(chan, AST_DIGIT_ANY); + } + ast_stopstream(chan); + } else { + res = ast_say_character_str(chan, !ast_strlen_zero(name) ? name : ext, + AST_DIGIT_ANY, chan->language); + } + + while (loop) { + if (!res) { + res = ast_streamfile(chan, "dir-instr", chan->language); + } + if (!res) { + res = ast_waitstream(chan, AST_DIGIT_ANY); + } + if (!res) { + res = ast_waitfordigit(chan, 3000); + } + ast_stopstream(chan); + + if (res > -1) { + switch (res) { + case '1': + /* Name selected */ + loop = 0; + if (ast_goto_if_exists(chan, dialcontext, ext, 1)) { + ast_log(LOG_WARNING, + "Can't find extension '%s' in context '%s'. " + "Did you pass the wrong context to Directory?\n", + ext, dialcontext); + res = -1; + } + break; + + case '*': + /* Skip to next match in list */ + loop = 0; + break; + + default: + /* Not '1', or '*', so decrement number of tries */ + res = 0; + loop--; + break; + } /* end switch */ + } /* end if */ + else { + /* User hungup, so jump out now */ + loop = 0; + } + } /* end while */ + + return(res); +} + +static struct ast_config *realtime_directory(char *context) +{ + struct ast_config *cfg; + struct ast_config *rtdata; + struct ast_category *cat; + struct ast_variable *var; + char *mailbox; + char *fullname; + char *hidefromdir; + char tmp[100]; + + /* Load flat file config. */ + cfg = ast_config_load(VOICEMAIL_CONFIG); + + if (!cfg) { + /* Loading config failed. */ + ast_log(LOG_WARNING, "Loading config failed.\n"); + return NULL; + } + + /* Get realtime entries, categorized by their mailbox number + and present in the requested context */ + rtdata = ast_load_realtime_multientry("voicemail", "mailbox LIKE", "%", "context", context, NULL); + + /* if there are no results, just return the entries from the config file */ + if (!rtdata) + return cfg; + + /* Does the context exist within the config file? If not, make one */ + cat = ast_category_get(cfg, context); + if (!cat) { + cat = ast_category_new(context); + if (!cat) { + ast_log(LOG_WARNING, "Out of memory\n"); + ast_config_destroy(cfg); + return NULL; + } + ast_category_append(cfg, cat); + } + + mailbox = ast_category_browse(rtdata, NULL); + while (mailbox) { + fullname = ast_variable_retrieve(rtdata, mailbox, "fullname"); + hidefromdir = ast_variable_retrieve(rtdata, mailbox, "hidefromdir"); + snprintf(tmp, sizeof(tmp), "no-password,%s,hidefromdir=%s", + fullname ? fullname : "", + hidefromdir ? hidefromdir : "no"); + var = ast_variable_new(mailbox, tmp); + if (var) + ast_variable_append(cat, var); + else + ast_log(LOG_WARNING, "Out of memory adding mailbox '%s'\n", mailbox); + mailbox = ast_category_browse(rtdata, mailbox); + } + ast_config_destroy(rtdata); + + return cfg; +} + +static int do_directory(struct ast_channel *chan, struct ast_config *cfg, char *context, char *dialcontext, char digit, int last) +{ + /* Read in the first three digits.. "digit" is the first digit, already read */ + char ext[NUMDIGITS + 1]; + char name[80] = ""; + struct ast_variable *v; + int res; + int found=0; + int lastuserchoice = 0; + char *start, *pos, *conv,*stringp=NULL; + + if (ast_strlen_zero(context)) { + ast_log(LOG_WARNING, + "Directory must be called with an argument " + "(context in which to interpret extensions)\n"); + return -1; + } + if (digit == '0') { + if (!ast_goto_if_exists(chan, chan->context, "o", 1) || + (!ast_strlen_zero(chan->macrocontext) && + !ast_goto_if_exists(chan, chan->macrocontext, "o", 1))) { + return 0; + } else { + ast_log(LOG_WARNING, "Can't find extension 'o' in current context. " + "Not Exiting the Directory!\n"); + res = 0; + } + } + if (digit == '*') { + if (!ast_goto_if_exists(chan, chan->context, "a", 1) || + (!ast_strlen_zero(chan->macrocontext) && + !ast_goto_if_exists(chan, chan->macrocontext, "a", 1))) { + return 0; + } else { + ast_log(LOG_WARNING, "Can't find extension 'a' in current context. " + "Not Exiting the Directory!\n"); + res = 0; + } + } + memset(ext, 0, sizeof(ext)); + ext[0] = digit; + res = 0; + if (ast_readstring(chan, ext + 1, NUMDIGITS - 1, 3000, 3000, "#") < 0) res = -1; + if (!res) { + /* Search for all names which start with those digits */ + v = ast_variable_browse(cfg, context); + while(v && !res) { + /* Find all candidate extensions */ + while(v) { + /* Find a candidate extension */ + start = strdup(v->value); + if (start && !strcasestr(start, "hidefromdir=yes")) { + stringp=start; + strsep(&stringp, ","); + pos = strsep(&stringp, ","); + if (pos) { + ast_copy_string(name, pos, sizeof(name)); + /* Grab the last name */ + if (last && strrchr(pos,' ')) + pos = strrchr(pos, ' ') + 1; + conv = convert(pos); + if (conv) { + if (!strcmp(conv, ext)) { + /* Match! */ + found++; + free(conv); + free(start); + break; + } + free(conv); + } + } + free(start); + } + v = v->next; + } + + if (v) { + /* We have a match -- play a greeting if they have it */ + res = play_mailbox_owner(chan, context, dialcontext, v->name, name); + switch (res) { + case -1: + /* user pressed '1' but extension does not exist, or + * user hungup + */ + lastuserchoice = 0; + break; + case '1': + /* user pressed '1' and extensions exists; + play_mailbox_owner will already have done + a goto() on the channel + */ + lastuserchoice = res; + break; + case '*': + /* user pressed '*' to skip something found */ + lastuserchoice = res; + res = 0; + break; + default: + break; + } + v = v->next; + } + } + + if (lastuserchoice != '1') { + if (found) + res = ast_streamfile(chan, "dir-nomore", chan->language); + else + res = ast_streamfile(chan, "dir-nomatch", chan->language); + if (!res) + res = 1; + return res; + } + return 0; + } + return res; +} + +static int directory_exec(struct ast_channel *chan, void *data) +{ + int res = 0; + struct localuser *u; + struct ast_config *cfg; + int last = 1; + char *context, *dialcontext, *dirintro, *options; + + if (ast_strlen_zero(data)) { + ast_log(LOG_WARNING, "Directory requires an argument (context[,dialcontext])\n"); + return -1; + } + + LOCAL_USER_ADD(u); + + context = ast_strdupa(data); + dialcontext = strchr(context, '|'); + if (dialcontext) { + *dialcontext = '\0'; + dialcontext++; + options = strchr(dialcontext, '|'); + if (options) { + *options = '\0'; + options++; + if (strchr(options, 'f')) + last = 0; + } + } else + dialcontext = context; + + cfg = realtime_directory(context); + if (!cfg) { + LOCAL_USER_REMOVE(u); + return -1; + } + + dirintro = ast_variable_retrieve(cfg, context, "directoryintro"); + if (ast_strlen_zero(dirintro)) + dirintro = ast_variable_retrieve(cfg, "general", "directoryintro"); + if (ast_strlen_zero(dirintro)) { + if (last) + dirintro = "dir-intro"; + else + dirintro = "dir-intro-fn"; + } + + if (chan->_state != AST_STATE_UP) + res = ast_answer(chan); + + for (;;) { + if (!res) + res = ast_streamfile(chan, dirintro, chan->language); + if (!res) + res = ast_waitstream(chan, AST_DIGIT_ANY); + ast_stopstream(chan); + if (!res) + res = ast_waitfordigit(chan, 5000); + if (res > 0) { + res = do_directory(chan, cfg, context, dialcontext, res, last); + if (res > 0) { + res = ast_waitstream(chan, AST_DIGIT_ANY); + ast_stopstream(chan); + if (res >= 0) { + continue; + } + } + } + break; + } + ast_config_destroy(cfg); + LOCAL_USER_REMOVE(u); + return res; +} + +int unload_module(void) +{ + int res; + + res = ast_unregister_application(app); + + STANDARD_HANGUP_LOCALUSERS; + + return res; +} + +int load_module(void) +{ + return ast_register_application(app, directory_exec, synopsis, descrip); +} + +char *description(void) +{ + return tdesc; +} + +int usecount(void) +{ + int res; + STANDARD_USECOUNT(res); + return res; +} + +char *key() +{ + return ASTERISK_GPL_KEY; +} |